//
// Created by Administrator on 2024/6/4.
//

#include <iostream>
#include <vector>
using namespace std;

void printArr(vector<int> &arr, int n)
{
    if (n<0)
    {
        return;
    }
    printArr(arr,n-1);
    cout<<arr[n];
}
int main()
{
    vector<int> v{0,1,2,3,4,5};
    printArr(v,v.size()-1);
    return 0;
}